---
title: "simd_reduce_max(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_reduce_max(_:)-4gy97"
---

# simd_reduce_max(_:)

Returns the maximum value in a vector.

## Declaration

```swift
func simd_reduce_max(_ x: simd_float3) -> Float
```

## See Also

### Reduce Functions

- [simd_reduce_min(_:)](simd/simd_reduce_min(_:)-45ygx.md)
- [reduce_min(_:)](simd/reduce_min(_:)-3l43s.md)
- [reduce_max(_:)](simd/reduce_max(_:)-5wvu6.md)
- [simd_reduce_add(_:)](simd/simd_reduce_add(_:)-2utmv.md)
- [reduce_add(_:)](simd/reduce_add(_:)-9pjza.md)